(function ($) {
    $.fn.jCarouselLite = function (o) {
        o = $.extend({btnPrev:null, btnNext:null, btnGo:null, mouseWheel:false, auto:null, speed:1000, easing:null, vertical:false, circular:true, visible:5, start:0, scroll:5, beforeStart:null, afterEnd:null}, o || {});
        return this.each(function () {
            var b = false, animCss = o.vertical ? "top" : "left", sizeCss = o.vertical ? "height" : "width";
            var c = $(this), ul = $("ul", c), tLi = $("li", ul), tl = tLi.size(), v = o.visible;
            if (o.circular) {
                ul.prepend(tLi.slice(tl - v - 1 + 1).clone()).append(tLi.slice(0, v).clone());
                o.start += v
            }
            //console.log($("li", ul));
            var f = $("li", ul), itemLength = f.size(), curr = o.start;
            c.css("visibility", "visible");
            f.css({overflow:"hidden", float:o.vertical ? "none" : "left"});
            ul.css({margin:"0", padding:"0", position:"relative", "list-style-type":"none", "z-index":"1"});
            c.css({overflow:"hidden", position:"relative", "z-index":"2", left:"0px"});
            var g = o.vertical ? height(f) : width(f);
            var h = g * itemLength;
            var j = g * v;
            f.css({width:f.width(), height:f.height()});
            ul.css(sizeCss, h + "px").css(animCss, -(curr * g));
            c.css(sizeCss, j + "px");
            if (o.btnPrev)$(o.btnPrev).click(function () {
                return go(curr - o.scroll)
            });
            if (o.btnNext)$(o.btnNext).click(function () {
                return go(curr + o.scroll)
            });
            if (o.btnGo)$.each(o.btnGo, function (i, a) {
                $(a).click(function () {
                    return go(o.circular ? o.visible + i : i)
                })
            });
            if (o.mouseWheel && c.mousewheel)c.mousewheel(function (e, d) {
                return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll)
            });
            if (o.auto)setInterval(function () {
                go(curr + o.scroll)
            }, o.auto + o.speed);
            function vis() {
                return f.slice(curr).slice(0, v)
            }

            ;
            function go(a) {
                if (!b) {
                    if (o.beforeStart)o.beforeStart.call(this, vis());
                    if (o.circular) {
                        if (a <= o.start - v - 1) {
                            ul.css(animCss, -((itemLength - (v * 2)) * g) + "px");
                            curr = a == o.start - v - 1 ? itemLength - (v * 2) - 1 : itemLength - (v * 2) - o.scroll
                        } else if (a >= itemLength - v + 1) {
                            ul.css(animCss, -((v) * g) + "px");
                            curr = a == itemLength - v + 1 ? v + 1 : v + o.scroll
                        } else curr = a
                    } else {
                        if (a < 0 || a > itemLength - v)return; else curr = a
                    }
                    b = true;
                    ul.animate(animCss == "left" ? {left:-(curr * g)} : {top:-(curr * g)}, o.speed, o.easing, function () {
                        if (o.afterEnd)o.afterEnd.call(this, vis());
                        b = false
                    });
                    if (!o.circular) {
                        $(o.btnPrev + "," + o.btnNext).removeClass("disabled");
                        $((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled")
                    }
                }
                return false
            }
        })
    };
    function css(a, b) {
        return parseInt($.css(a[0], b)) || 0
    }

    ;
    function width(a) {
        return a[0].offsetWidth + css(a, 'marginLeft') + css(a, 'marginRight')
    }

    ;
    function height(a) {
        return a[0].offsetHeight + css(a, 'marginTop') + css(a, 'marginBottom')
    }
})(jQuery);



